OpenTechnical

OT-2026-000071702

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000071702) never changes.

Identity and time

Publication numberOT-2026-000071702 · never reused
Internal UUID01a0ae92-1e91-729a-9cd2-bdb33d1b8e3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071702
StatusPUBLIC

Content hashes

Canonical text8b0cffb2bd9c47d820e69246ebad513ea1b351ca6fc20b07a4541157ae023bf1
Markdown4eaca539fe81e53b20d02216e3f55a0ba444e5a07ae3b1c458fd0ecaf73d2438
PDF
Publication page31ce85c3dddad0e83f79eafecc8d6c07c5d2ba6efa1943b9bc6f745171b830ce
Manifest9c10adec05511dd3902183f7e586132a804425b318c2276dd10b2b81fde59c48

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8KzzCB4dOdeXfQ59ibHLdW7+8LwRvmZSSa16+3ryJmd9tPazvSj4/V9H6dTEzmedgerPwE9rtSt9iJLqEzaCBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:46.063499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071702
observed 31ce85c3dddad0e83f79eafecc8d6c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.036419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071702/manifest.json
observed 9c10adec05511dd3902183f7e586132a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.007805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071702/publication.md
observed 4eaca539fe81e53b20d02216e3f55a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:45.981770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071702/publication.txt
observed 8b0cffb2bd9c47d820e69246ebad513e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.